There are some possible reasons caused, please check below first: <Airflow> Air Flow is important for cooling: Please make sure the intake and exhaust vents are free from obstruction. Make sure the projector is not enclosed or right against a wall - it needs ventilation space. Don’t place the projector on top of other electr...
If you are experiencing problems using HDMI input: Confirm the HDMI input is selected. Plug in the projector first, and then turn on the PC. Replace the HDMI cable, sometimes a cable may go bad. Try another signal type if available for example: VGA, DVI, DisplayPort. Test the projector on a different computer with a HDMI port to make sure...
If the external monitor/ projector is not automatically detected and displaying an image, you will need to use a function key to enable or activate the function. Laptop manufacturers have different methods to activate an external monitor. Refer to the laptop's user guide/manual or the manufacturer for instructions to activate the video port for...
Please go to Projector Distance Calculator. Enter the desired distance from the screen to calculate the image dimensions. Try different distance values until you find the desired image size.
There are 2 ways to mirror from iPad, iPhone (4 or later), or iPod Touch (4th Gen or later): 1. Use an Apple original "Lightning Digital AV Adapter" or "USB-C Digital AV Multiport Adapter" to connect your device to a ViewSonic projector. You might encounter no signal if you don’t use APPLE original adapter. 2.If your projector is equipp...
1.Wired connection: 1.1 via 3.5mm audio out: If the projector is equipped with a 3.5 mm audio out mini jack, usually it is green and marked as Audio Out. Please connect a 3.5 mm audio cable between speaker and projector for audio output purpose. 1.2 via S/PDIF: If the model is equipped with S/PDIF por...
Each product has its own list of compatible video, audio and image formats. The best way to know what file type is specifically supported by your product is to look in the user guide for your particular model.
Stuck or twinkling pixels on the projected image may be due to a defective DMD chip. These pixels can show up as bright, dark or twinkling points. They look similar to pixel defects on LCD displays. This cannot be fixed by the end user and must be sent in for service. Contact ViewSonic Customer Care to verify if your unit qualifies for warrant...
When a digital signal is connected (e.g. HDMI, DisplayPort, DVI), there are certain options greyed out in OSD menu as preset settings that cannot be changed. Those greyed out settings will be available when an analog signal (e.g. VGA) is connected.
Usually this is related to unmatched output resolution setting and content. For example, setting 720P resolution output to a 4K projector or playing a 720P video on a 4K projector in full screen would cause pixelated. Please make sure to set recommended resolution by referring to this FAQ.